What are the larger environmental protection equipment companies in Yixing City, Jiangsu Province?

Jiangsu Baina Group, in the Far East Avenue, quite big. Yixing Lingzhi environmental protection limited company, Yixing Feierda water equipment Co. Ltd., Jiangsu Su Run Environmental Protection Technology Co., Ltd. , Jiangsu Dafu Membrane Technology Co., Ltd., Yiyang Group, Yixing Huayang Pure Water Filtration Equipment Co., Ltd., Jiangsu Geli Environmental Protection Science and Technology Co., Ltd., Yixing Yangyuan Environmental Engineering Co., Ltd., Wuxi Laikot Environmental Protection Co., Ltd., Yixing Jieming environmental protection equipment, er, still need more